EP1731633A4 - Extremely fine polylactic acid fiber, fibrous structure and process for producing these - Google Patents

Extremely fine polylactic acid fiber, fibrous structure and process for producing these

Info

Publication number
EP1731633A4
EP1731633A4 EP05720436A EP05720436A EP1731633A4 EP 1731633 A4 EP1731633 A4 EP 1731633A4 EP 05720436 A EP05720436 A EP 05720436A EP 05720436 A EP05720436 A EP 05720436A EP 1731633 A4 EP1731633 A4 EP 1731633A4
Authority
EP
European Patent Office
Prior art keywords
producing
polylactic acid
fibrous structure
extremely fine
acid fiber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05720436A
Other languages
German (de)
French (fr)
Other versions
EP1731633A1 (en
Inventor
Takanori Miyoshi
Kiyotsuna Toyohara
Hiroyoshi Minematsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teijin Ltd
Original Assignee
Teijin Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Teijin Ltd filed Critical Teijin Ltd
Publication of EP1731633A1 publication Critical patent/EP1731633A1/en
Publication of EP1731633A4 publication Critical patent/EP1731633A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/0007Electro-spinning
    • D01D5/0015Electro-spinning characterised by the initial state of the material
    • D01D5/003Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
    • D01D5/0038Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion the fibre formed by solvent evaporation, i.e. dry electro-spinning
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • D01F6/625Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters derived from hydroxy-carboxylic acids, e.g. lactones
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/78Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products
    • D01F6/84Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products from copolyesters
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326Condensation or reaction polymers
    • D04H1/435Polyesters
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/56Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2929Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
EP05720436A 2004-03-16 2005-03-03 Extremely fine polylactic acid fiber, fibrous structure and process for producing these Withdrawn EP1731633A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004074011 2004-03-16
PCT/JP2005/004165 WO2005087988A1 (en) 2004-03-16 2005-03-03 Extremely fine polylactic acid fiber, fibrous structure and process for producing these

Publications (2)

Publication Number Publication Date
EP1731633A1 EP1731633A1 (en) 2006-12-13
EP1731633A4 true EP1731633A4 (en) 2007-12-19

Family

ID=34975614

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05720436A Withdrawn EP1731633A4 (en) 2004-03-16 2005-03-03 Extremely fine polylactic acid fiber, fibrous structure and process for producing these

Country Status (7)

Country Link
US (1) US20070172651A1 (en)
EP (1) EP1731633A4 (en)
JP (1) JP4243292B2 (en)
KR (1) KR20060130732A (en)
CN (1) CN1985032A (en)
CA (1) CA2560363A1 (en)
WO (1) WO2005087988A1 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007231480A (en) * 2006-03-03 2007-09-13 Institute Of Physical & Chemical Research Polylactic acid fiber having stereo complex structure and method for producing the same
JP4848224B2 (en) * 2006-08-03 2011-12-28 太陽化学株式会社 Nanofiber assembly
JP5028047B2 (en) * 2006-08-08 2012-09-19 倉敷繊維加工株式会社 Laminated sheet having excellent windproof and waterproof moisture permeability, fabric using the same, and production method thereof
JP4903595B2 (en) * 2007-02-09 2012-03-28 パナソニック株式会社 Nanofiber manufacturing method and nanofiber manufacturing apparatus
JP2009006135A (en) * 2007-05-31 2009-01-15 Teijin Ltd Favorite beverage extract filter and favorite beverage extract bag formed using it
JP5322116B2 (en) * 2007-07-18 2013-10-23 ビーエーエスエフ ソシエタス・ヨーロピア Method for producing nanofibers and mesofibers by electrospinning a colloidal dispersion having at least one substantially water-insoluble polymer
CN101970527A (en) * 2007-09-28 2011-02-09 自然工作有限责任公司 Method for making polyactic acid ( pla) stereocomplexes
WO2009045877A1 (en) * 2007-09-28 2009-04-09 Natureworks Llc Methods for making polylactic acid stereocomplex fibers
EP2201162B1 (en) * 2007-09-28 2011-11-02 NatureWorks LLC Polylactide stereocomplex conjugate fibers
PL2135887T3 (en) 2008-06-18 2011-05-31 Inst Biopolimerow I Wlokien Chemicznych Process for producing a polylactic acid stereocomplex powder
US8242073B2 (en) * 2008-07-10 2012-08-14 The Hong Kong Polytechnic University Biodegradable and bioabsorbable biomaterials and keratin fibrous articles for medical applications
CN101831762A (en) * 2010-04-08 2010-09-15 苏州大学 Composite fiber porous membrane composited by ornithoctonus huwena threads and polylactic acid and method for producing same
TWI584825B (en) 2012-05-14 2017-06-01 帝人股份有限公司 Formed sheet product and hemostatic material
CN104018294B (en) * 2014-04-10 2016-06-22 中国科学院宁波材料技术与工程研究所 A kind of polylactic acid nano fiber film and preparation method thereof
CN104029443B (en) * 2014-05-28 2016-04-13 中原工学院 A kind of preparation method of PM2.5 protective mask PLA multi-layer fiber film
CN105274728B (en) * 2014-05-28 2018-10-16 福建赛特新材股份有限公司 A kind of biosoluble fibres felt and preparation method thereof and vacuum heat-insulating plate using the felt
JP6119863B2 (en) * 2014-06-18 2017-04-26 東レ株式会社 Laminated body and method for producing the same
JP6718159B2 (en) * 2015-05-28 2020-07-08 国立大学法人京都工芸繊維大学 Plastic nanofiber, optical fiber, and method for producing plastic nanofiber
KR101747825B1 (en) 2015-12-22 2017-06-15 경희대학교 산학협력단 Piezoelectric material comprising Poly(D-lactic acid)/Poly(L-lactic acid) stereocomplex crystals
CN108754832B (en) * 2018-04-10 2021-08-10 何炽斌 Biodegradable disposable mopping cloth and production method thereof
US11361893B2 (en) * 2018-11-27 2022-06-14 City University Of Hong Kong Soft body robotic device
CN115467084B (en) * 2022-09-05 2023-08-08 南通大学 Hydrophilic PLA oil-water separation film and preparation method thereof
CN116791233A (en) * 2023-03-17 2023-09-22 东华大学 Porous polylactic acid antibacterial nanofiber and preparation method thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2181207B (en) * 1985-10-04 1990-05-23 Ethicon Inc Improvements in electrostatically produced structures and methods of manufacturing thereof
JPH0781204B2 (en) * 1987-04-21 1995-08-30 株式会社バイオマテリアルユニバ−ス Polylactic acid fiber
JPH03220305A (en) * 1989-11-21 1991-09-27 I C I Japan Kk Production of antistatic spun yarn
US5338822A (en) * 1992-10-02 1994-08-16 Cargill, Incorporated Melt-stable lactide polymer composition and process for manufacture thereof
FR2709500B1 (en) * 1993-08-02 1996-02-16 Fiberweb Sodoca Sarl Nonwoven based on polymers derived from lactic acid, process for manufacturing and using such a nonwoven.
JP3316306B2 (en) * 1994-05-06 2002-08-19 カネボウ株式会社 Method for producing high molecular weight polylactic acid molded article
JP2002030523A (en) * 2000-07-14 2002-01-31 Toray Ind Inc Polylactic acid fiber
KR20020063020A (en) * 2001-01-26 2002-08-01 한국과학기술연구원 Method for Preparing Thin Fiber -Structured Polymer Webs
US6713011B2 (en) * 2001-05-16 2004-03-30 The Research Foundation At State University Of New York Apparatus and methods for electrospinning polymeric fibers and membranes
JP4056361B2 (en) * 2002-11-14 2008-03-05 帝人株式会社 Polyglycolic acid fiber structure and method for producing the same
JP2004256974A (en) * 2003-02-27 2004-09-16 Japan Vilene Co Ltd Method for electrospinning and device for electrospinning
JP4383763B2 (en) * 2003-03-28 2009-12-16 帝人株式会社 Cell culture substrate and method for producing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZONG X ET AL: "Structure and process relationship of electrospun bioabsorbable nanofiber membranes", POLYMER, ELSEVIER SCIENCE PUBLISHERS B.V, GB, vol. 43, no. 16, July 2002 (2002-07-01), pages 4403 - 4412, XP004373517, ISSN: 0032-3861 *

Also Published As

Publication number Publication date
JPWO2005087988A1 (en) 2008-01-31
JP4243292B2 (en) 2009-03-25
WO2005087988A1 (en) 2005-09-22
US20070172651A1 (en) 2007-07-26
KR20060130732A (en) 2006-12-19
CA2560363A1 (en) 2005-09-22
CN1985032A (en) 2007-06-20
EP1731633A1 (en) 2006-12-13

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